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| Patents for Benj'n A. Knight | |||||
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| Number | Date | Patentee | Title | Type | |
| 525,318 | Aug. 28, 1894 | S.M. Friede | Compound Action Monkey Wrench | angle adjustable wrenches | |
| 525,683 | Sep. 04, 1894 | S.M. Friede | Combined Pipe, Ratchet and Monkey Wrench | ||
| 525,684 | Sep. 04, 1894 | S.M. Friede | Combined Monkey and Pipe Ratchet Wrench | screw adjust wrenches | |